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Method and apparatus for adaptively encoding and decoding a quantization parameter based on a quadtree structure
Method and apparatus for adaptively encoding and decoding a quantization parameter based on a quadtree structure
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机译:基于四叉树结构对量化参数进行自适应编码和解码的方法和装置
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摘要
Disclosed are an apparatus and a method of encoding/decoding a video, particularly a method and an apparatus for storing a quantization parameter differential value in a largest coding unit (LCU) based on quadtree splitting and adaptively predicting a quantization parameter value based on context information on neighboring CUs. Quadtree-based quantization parameter encoding and decoding methods and apparatuses effectively show information on a block having a quantization parameter differential value based on splitting information on a CU and adaptively predict a quantization parameter value using context information including a block size, block partition and a quantization parameter of a neighboring CU.
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